code: def test_qsize(ray_start_regular_shared):
      q = Queue()
  
      items = list(range(10))
      size = 0
  
      assert q.qsize() == size
  
      for item in items:
          q.put(item)
          size += 1
          assert q.qsize() == size
  
      for item in items:
          assert q.get() == item
          size -= 1
          assert q.qsize() == size
  
file_path: ray/python/ray/tests/test_queue.py
imports: import pytest
  import time
  import ray
  from ray.exceptions import GetTimeoutError, RayActorError
  from ray.util.queue import Queue, Empty, Full
  from ray._private.test_utils import wait_for_condition, BatchQueue
label_desc: Use image node_id 9 for calling a global function with example usage: test_qsize(ray_start_regular_shared) without return types